Sea Temperature in Dennis in October

Complete information on the sea temperature range in the Atlantic Ocean in Dennis in October. Historical daily data. Climate details for October. Tips on swimming conditions and beach relaxation in Dennis. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.

Water Temperature Range in Dennis in October

9°C

MINIMUN

14.5°C

AVERAGE

20°C

MAXIMUM

Historical Data of Water Temperature in October in Dennis

Water Temperature Chart for Atlantic Ocean in Dennis in October

Sea Temperature Table in Dennis in October Over the Past Years

Day	2024	2023	2022	Average
Oct 1	18°C	17°C	17°C	17.3°C
Oct 2	19°C	17°C	17°C	17.5°C
Oct 3	19°C	17°C	17°C	17.5°C
Oct 4	18°C	16°C	17°C	17.0°C
Oct 5	18°C	16°C	17°C	17.0°C
Oct 6	19°C	16°C	17°C	17.3°C
Oct 7	18°C	16°C	17°C	17.0°C
Oct 8	19°C	15°C	17°C	17.0°C
Oct 9	18°C	15°C	17°C	16.8°C
Oct 10	18°C	15°C	17°C	16.8°C
Oct 11	18°C	15°C	17°C	16.8°C
Oct 12	18°C	14°C	17°C	16.3°C
Oct 13	18°C	14°C	16°C	16.0°C
Oct 14	18°C	14°C	16°C	16.0°C
Oct 15	18°C	13°C	16°C	15.8°C
Oct 16	19°C	13°C	17°C	16.3°C
Oct 17	17°C	16°C	17°C	16.3°C
Oct 18	16°C	13°C	16°C	14.8°C
Oct 19	16°C	12°C	16°C	14.8°C
Oct 20	17°C	12°C	16°C	14.8°C
Oct 21	17°C	12°C	16°C	14.8°C
Oct 22	17°C	12°C	16°C	14.8°C
Oct 23	17°C	11°C	16°C	14.5°C
Oct 24	16°C	11°C	16°C	14.3°C
Oct 25	17°C	11°C	16°C	14.8°C
Oct 26	16°C	11°C	16°C	14.3°C
Oct 27	14°C	10°C	16°C	13.5°C
Oct 28	14°C	10°C	16°C	13.5°C
Oct 29	14°C	10°C	16°C	13.3°C
Oct 30	14°C	9°C	15°C	12.8°C

Dennis Climate and Swimming Opportunities in October

17°C

Average Day Air Temperature

9°C

Average Night Air Temperature

93 mm

Precipitation Amount per Month

10 days

Number of Rainy Days

11 hrs

Daylight
per Day

7 hrs

Sunshine
per Day

21 km/h

Average Wind Speed

73%

Average
humidity

Dennis lies within the Massachusetts in United States. The average daytime temperature in Dennis in October is 62°F (17°C), while the nighttime average is 48°F (9°C). There are typically 10 rainy days during the month, with a total precipitation of 3.7 inches (93 mm). The daylight duration in October in Dennis is 11 hours, with an average of 7 hours of sunshine per day. The average wind speed in October is 13 mph (21 km/h), and the humidity level is around 73%.

The water temperature in Dennis in October ranges from 54°F to 63°F (12°C to 17°C). At the beginning of the month, the average temperature is around 63°F (17°C), shifting to 61°F (16°C) by mid-October and reaching 57°F (14°C) in the last ten days. Overall, the average sea temperature in Dennis for October is 61°F (16°C). Ideal conditions for a refreshing swim, though some may still find it a bit cool.

Sea Temperature in October in Nearby Cities

Frequently Asked Questions About Water Temperatures in October in Dennis

What is the sea temperature in Dennis in October?

The water temperature in the Atlantic Ocean in Dennis in October ranges from 54°F to 63°F (12°C to 17°C).

Is it possible to swim in the Atlantic Ocean in Dennis in October?

The average sea temperature in Dennis in October is 61°F (16°C), and the air temperature is 62°F (17°C), so ideal conditions for a refreshing swim, though some may still find it a bit cool.